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[Bug tree-optimization/51062] SLP vectorization of dot (inner) product
- From: "irar at il dot ibm.com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 09 Nov 2011 16:13:08 +0000
- Subject: [Bug tree-optimization/51062] SLP vectorization of dot (inner) product
- Auto-submitted: auto-generated
- References: <bug-51062-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51062
Ira Rosen <irar at il dot ibm.com> changed:
What |Removed |Added
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CC| |irar at il dot ibm.com
--- Comment #2 from Ira Rosen <irar at il dot ibm.com> 2011-11-09 16:13:08 UTC ---
(In reply to comment #1)
> I think we do not perform pattern detection in SLP mode. Ira?
Right. I actually had a patch for pattern detection in SLP ready couple of
hours after Stage 1 was over. But this patch doesn't handle dot product (and
widen-sum), since these patterns look for reduction, i.e., loop, so it will
need some additional work.